30+2k+5k=-100

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Solution for 30+2k+5k=-100 equation: 



30+2k+5k=-100

We move all terms to the left:

30+2k+5k-(-100)=0

We add all the numbers together, and all the variables

7k+130=0

We move all terms containing k to the left, all other terms to the right

7k=-130

k=-130/7

k=-18+4/7

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